#include <Arduino.h>

#include <Arduino.h>

long value1, value2, value3, value4, value5;
long value_avg;
const int LED_OUTPUT_PIN = 21;

void setup()
{
  Serial.begin(115200);
  pinMode(LED_OUTPUT_PIN, OUTPUT);
}

void loop()
{
  value1 = touchRead(4);
  delay(10);
  value2 = touchRead(4);
  delay(10);
  value3 = touchRead(4);
  delay(10);
  value4 = touchRead(4);
  delay(10);
  value_avg = (value1 + value2 + value3 + value4)/4 ;
  Serial.println(value_avg);
  
  if (value_avg >= 20)
  {
    Serial.println("LED off");
    digitalWrite(LED_OUTPUT_PIN, LOW);
    delay(100);
  }
  else if (value_avg < 20)
  {
    Serial.println("LED on");
    digitalWrite(LED_OUTPUT_PIN, HIGH);
    delay(100);
  }
  Serial.println(value_avg);
  delay(10);
}